ARMAS, Kenneth L.; LORENZO, Engr. Gina; CRUZ, Catherine Dela. Financial Viability of Business Models For Engineered Vertical Hydroponics Systems For Sustainable Onion Production in The Philippines. Journal of Applied Engineering and Technological Science (JAETS), [S. l.], v. 4, n. 2, p. 864–872, 2023. DOI: 10.37385/jaets.v4i2.2040. Disponível em: https://journal.yrpipku.com/index.php/jaets/article/view/2040. Acesso em: 10 jun. 2026.